1. Drop heavily
   - plump down, plank down

Type of: drop

• unrealism
• unrealistic
• unrealistically
• unreality
• unrealizable
• unrealized
• unreason
• unreasonable
• unreasonableness
• unreasonably
• unreasoning
• unreasoningly
• unreassuring
• unrebuked
• unreceptive
• unreciprocated
• unrecognisable
• unrecognisably
• unrecognised
• unrecognizable
• unrecognizably
• unrecognized
• unreconcilable
• unreconciled
• unreconstructed